671026706 has 16 divisors (see below), whose sum is σ = 1169830080. Its totient is φ = 282708240.

The previous prime is 671026673. The next prime is 671026723. The reversal of 671026706 is 607620176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405365 + ... + 407016.

It is an arithmetic number, because the mean of its divisors is an integer number (73114380).

Almost surely, 2^671026706 is an apocalyptic number.

671026706 is a deficient number, since it is larger than the sum of its proper divisors (498803374).

671026706 is a wasteful number, since it uses less digits than its factorization.

671026706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812449.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 671026706 is about 25904.1831756958. The cubic root of 671026706 is about 875.4807506702.

The spelling of 671026706 in words is "six hundred seventy-one million, twenty-six thousand, seven hundred six".